[isapros] Re: RPC filter - connectivity changed

  • From: "Greg Mulholland" <gmulholland@xxxxxxxxxxxx>
  • To: <isapros@xxxxxxxxxxxxx>
  • Date: Thu, 10 Aug 2006 07:53:45 +1000

Re: [isapros] Re: RPC filter - connectivity changedi stopped short of saying 
that.. and here you are out of the haze!! :)

Greg
  ----- Original Message ----- 
  From: Thor (Hammer of God) 
  To: isapros@xxxxxxxxxxxxx 
  Sent: Thursday, August 10, 2006 5:06 AM
  Subject: [isapros] Re: RPC filter - connectivity changed


  Greg "self-discovers" all the time, I hear ;)

  t


  On 8/8/06 6:08 PM, "Jim Harrison" <Jim@xxxxxxxxxxxx> spoketh to all:


    The KB is in final edit review and will be part of a hotfix rollup that's 
hitting the streets "RSN".
    I can't be any more specific because I don't make those decisions.
    It won't do any good to ask PSS now because the fix isn't ready for public 
consumption.
    I can't speak to "PSS awareness", since it depends on the engineer you talk 
to and his (her) relative familiarity with ISA hotfixes.
    The Kb will be public, which means you can self-discover.
     

    From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx] On 
Behalf Of Jason Jones
    Sent: Tuesday, August 08, 2006 5:56 PM
    To: isapros@xxxxxxxxxxxxx
    Subject: [isapros] Re: RPC filter - connectivity changed
     
    Thanks Jim.

    Any chance you can elaborate? 

    Probs bring this up in my ISA DR PSS call (other post) - will PSS be aware 
of this KB? Any idea of an ETA?



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    From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx] On 
Behalf Of Jim Harrison
    Sent: 09 August 2006 01:06
    To: isapros@xxxxxxxxxxxxx
    Subject: [isapros] Re: RPC filter - connectivity changed
    There are issues with Exch and ISA if client connections are abruptly 
terminated that can cause this behavior
    Keep your eyes open for a KB that quotes "RPC" and "Keep-Alive".


    From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx] On 
Behalf Of Jason Jones
    Sent: Tuesday, August 08, 2006 3:26 PM
    To: isapros@xxxxxxxxxxxxx
    Subject: [isapros] Re: RPC filter - connectivity changed
     
    Thanks Ori - kinda how I expected the alert to be. 

    I get the ISA alerts 2/3 times every couple of weeks and lots of event log 
errors, saying "RPC server available", then "RPC server unavailable" in a 
complete loop. The only way to solve the issue is to reboot all array members - 
ouch! Whilst ISA is in this state all existing MAPI clients remain working, but 
all new sessions fail.

    However, I can see no reason why the Exchange server (the RPC published 
server) should suddenly appear unavailable - I also cannot see why the 
destination server is at fault if a reboot of ISA fixes the problem. Kinda 
feels like ISA is getting confused to me :-\

    JJ 
      



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    From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx] On 
Behalf Of Ori Yosefi
    Sent: 08 August 2006 18:23
    To: isapros@xxxxxxxxxxxxx
    Subject: [isapros] Re: RPC filter - connectivity changed
    This alert is issued when a published RPC server has gone offline / came 
back online.

    When attempting to establish a connection with the RPC server, if the 
connection attempt fails (for the first time) then this alert is issued. Later 
on, when a connection attempt is successful (for the first time) then this 
alert is issued again.

    HTH,
    Ori.





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    From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx] On 
Behalf Of Jason Jones
    Sent: Tuesday, August 08, 2006 8:10 PM
    To: isapros@xxxxxxxxxxxxx
    Subject: [isapros] RPC filter - connectivity changed

    Hi, 

    Anyone seen the "RPC filter - connectivity changed" ISA alert? Under what 
scenario does this get trigged? 

    Is this an ISA problem or an indication that the published RPC server is at 
fault? 

    Cheers 

    JJ 

    <<rpc filter.JPG>> 


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